about all your medical conditions and medications, and ask if your heart is healthy enough for sexual activity. do not take cialis if you take nitrates for chest pain, as this may cause an unsafe drop in blood pressure. do not drink alcohol in excess with cialis. side effects may include headache, upset stomach, delayed backache or muscle ache. to avoid long-term injury, seek immediate medical help for an erection lasting more than four hours. if you have any sudden decrease or loss in hearing or vision, or if you have any allergic reactions such as rash, hives, swelling of the lips, tongue or throat, or difficulty breathing or swallowing, stop taking cialis and get medical help right away. ask your doctor about cialis for daily use and a 30-tablet free trial. meet the 5-passenger ford c-max hybrid. when you're carrying a lot of weight, c-max has a nice little trait, you see, c-max helps you load your freight, with its foot-activated lift gate. but that's not all you'll see, cause c-max also beats prius v, with better mpg. say hi to the all-new 47 combined mpg c-max hybrid.